66672319104000 has 352 divisors, whose sum is σ = 246419052172800. Its totient is φ = 17779284172800.

The previous prime is 66672319103977. The next prime is 66672319104109. The reversal of 66672319104000 is 40191327666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6189880 + ... + 13101879.

Almost surely, 2^{66672319104000} is an apocalyptic number.

66672319104000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66672319104000 is an abundant number, since it is smaller than the sum of its proper divisors (179746733068800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66672319104000 is a wasteful number, since it uses less digits than its factorization.

66672319104000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19291803 (or 19291769 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 66672319104000 in words is "sixty-six trillion, six hundred seventy-two billion, three hundred nineteen million, one hundred four thousand".